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17
G
OVERNOR
B
ASIC
S
ETTING
OK NG
GOVERNOR BASIC
MAP. 2
/
2
(7) Governor on/off switch
[default: Inhibit]
This parameter allows turning of the governor
on and off via a transmitter switch. Pushing the
SET (Data+) key activates the function. The on/
off direction is changed by pushing the SET key
again. The function is inhibited by pushing the
RSET (Data-) key.
(8) Servo limit point setting
Servo limit point setting defines the overall trav-
el range for the throttle servo. It is fundamental
for governor operation and must be set prior to
other functions. Servo limits must also be reset
when the throttle linkage or trim are changed.
For this setting, idling position is set first, then
high position as guided by the display. Push
the data + or – key to memorize. “*Write*” is
displayed when the setting is completed. “Error”
is displayed when the setting position is out of
range (too little servo travel between low and
high throttle positions).
WARNING
When using the CGY750 for the first time, or
when making changes in the throw of a servo
and its linkage, always perform the limit setting
operation.
(9) Revolution sensor testing
It tests the output level of the revolution sensor. Turn the engine by hand, and check the output
level. The display indicates the current level on left side numbers, maximum level on right side
numbers. The output level needs to be more than 60 % for correct governor operation.
(10) Sensor type
Select the type of governor sensor:
-Nitro (BPS-1 backplate; Magnet Type)
-1:1 Magnet “1:1 Mag” (Magnet type applied to helicopter part that turns at the same RPM as the
main rotor)
-HPoleEP: For Electric motors 8 poles and above
-LPoleEP: For electric motors 6 poles.
(11) Governor gain
Governor Gain. Too low of number the RPM will fluctuate with collective pitch and cyclic changes.
Too high of gain the RPM will oscillate and possibly surge during flight.
(12) Low limit RPM
Low RPM Limit sets the minimum amount of throttle that the governor will command during an
over-speed situation. Too low of value the engine could shut off or not recover power quickly
enough during the next collective movement. If the value is set too high, the governor will not con-
trol overspeed with the rotor head is unloaded.
Use:
LLmt Lrpm: For RPMS of 700-1700
LLmt Hrpm: For RPMS of 1701-4000
Rrturn to GOVERNOR MAP. 1/2
*It does not display, when Opr.mode is
Gyro+THR, and when SWASH-type is
H4-00/H4-45.
*It does not display, when Opr.
mode is Gyro+THR, and when
SWASH-type is H4-00/H4-45.
Push
DATA
+/– key
Push
DATA
+/– key
Push
MODE
+/– key
Push
DATA
+/– key
When CondMenu is ON, this
changes into CondMenu.
When CondMenu is ON, this
changes into CondMenu.
When CondMenu is ON, this
changes into CondMenu.
17


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